Determining Salt Production Season Based on Rainfall Forecasting Using Weighted Fuzzy Time Series

Muhandhis, Isnaini; Susanto, Heri; Asfari, Ully

doi:10.4316/jacsm.202002003

Cited by 5 publications

(5 citation statements)

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“…It is disheartening to state that the trend of visiting birds has consistently been decreasing pattern till 2019. During the monsoon period of 2019, the lake received heavy rainfall after 30 years [59] which helped to revive the water level. Shockingly, this lake encountered first-ever avian botulism in its history [44].…”

Section: Discussionmentioning

confidence: 99%

Migratory Birds Monitoring of India’s Largest Shallow Saline Ramsar Site with Big Geospatial Data Using Google Earth Engine for Restoration

Naik¹,

Sharma²

2021

Preprint

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Globally, saline lakes occupying 23% by area 44% by volume among all the lakes might desiccate by 2025 due to agricultural diversion, illegal encroachment, pollution, and invasive species. India’s largest saline lake, Sambhar is currently shrinking at the rate of 4.23% due to illegal saltpan en-croachment. This research article aims to identify the trend of migratory birds and monthly wetland status. Birds survey was conducted for 2019, 2020 and 2021 and combined with literature data of 1994, 2003, and 2013 for visiting trend, feeding habit, migratory and resident ratio, and ecological diversity index analysis. Normalized Difference Water Index was scripted in Google Earth Engine. Results state that it has been suitable for 97 species. Highest NDWI values for the was whole study period was 0.71 in 2021 and lowest 0.008 in 2019 which is highly fluctuating. The decreasing trend of migratory birds coupled with decreasing water level indicates the dubious status for its existence. If the causal factors are not checked, it might completely desiccate by 2059 as per its future prediction. Certain steps are suggested that might help conservation. Least, the cost of restoration might exceed the revenue generation.

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Section: Discussionmentioning

confidence: 99%

Migratory Birds Monitoring of India’s Largest Shallow Saline Ramsar Site with Big Geospatial Data Using Google Earth Engine for Restoration

Naik¹,

Sharma²

2021

Preprint

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“…While in the developed countries, salt producers are likely to be medium and large-scale companies, in developing countries the majority are micro and smallscale producers without right knowledge and equipment. The micro-scale producers use traditional techniques (Kam, 2017;Muhandhis et al, 2020) which are inefficient and may compromise the quality and safety of salt. Salt is distinguished according to its colour from white, pink, and red to black (Helmi and Sasoka, 2018).…”

Section: Introductionmentioning

confidence: 99%

“…Solar evaporation is the use of the sun to evaporate saline water (sea or lake) in special ponds to produce salt crystals that will be harvested mechanically. Solution mining involves underground brine pumping filtration, mechanical evaporation by steam-powered multiple effects or an electric-powered vapor compressor to form salt crystals (Syafii et al, 2019;Muhandhis et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Production practices of table salt by small-scale miners in Tanzania: A case study of Nkonkilangi, Singida, Tanzania

Nzaga¹,

Kussaga²,

Tiisekwa³

2023

Afr. J. Food Sci.

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In Tanzania, a small-scale salt enterprise supplies salt which is mainly consumed within the country. However, the producers often lack appropriate production knowledge. The purpose of this study was to assess salt processing and handling practices at Nkonkilangi village in Singida region, Tanzania. A cross-sectional study design was used to collect data. Scheduled interviews with 63 out of 100 producers were conducted using semi-structured questions. The producers were exclusively women (100%) with primary school education (98%) and aged from 20 to 60 years (90.5%). Although 33.3% of the producers attended food processing and hygiene training, none used improved methods. The traditional method used involved mixing three soil types locally known as Nkuluse, Mbuga and Sepa, or Nkoko in the ratio of 1:1:1 (v/v/v). Brine is obtained by leaching the soil with water in perforated clay pots. Majority (63.5%) of the producers boil brine for 1 -2 h for salt recovery, up to 5 batches per day. Three buckets of brine yield 1 bucket of salt. Two-thirds of the producers clean equipment and containers without detergents. More than 84% of the salt producers identified sand as major contaminant, whereas 47.6% of the processers use pieces of plastics and broken guards to stir salt during cooking. The salt is conditioned and packed for delivery. Despite the fact that salt fortification is mandatory in the country, none of the processers fortified the salt with iodine. Majority were neither aware of the nutritional benefits of fortification (90.5%) nor of the legal implications of selling noniodized salt (79.4%). Therefore, proper control and monitoring of small-scale mining in Tanzania is essential for assuring quality and safety of salt.

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“…Precipitation is the main forecast element of Numerical Weather Prediction [ 1 ] (NWP), which has an important impact on people’s daily life [ 2 , 3 ] and disaster prevention and mitigation [ 4 ]. After years of development, the current short-term and medium-term NWP models have become more and more accurate.…”

Section: Introductionmentioning

confidence: 99%

RN-Net: A Deep Learning Approach to 0–2 Hour Rainfall Nowcasting Based on Radar and Automatic Weather Station Data

Zhang

Wang

Guan

et al. 2021

Sensors

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Precipitation has an important impact on people’s daily life and disaster prevention and mitigation. However, it is difficult to provide more accurate results for rainfall nowcasting due to spin-up problems in numerical weather prediction models. Furthermore, existing rainfall nowcasting methods based on machine learning and deep learning cannot provide large-area rainfall nowcasting with high spatiotemporal resolution. This paper proposes a dual-input dual-encoder recurrent neural network, namely Rainfall Nowcasting Network (RN-Net), to solve this problem. It takes the past grid rainfall data interpolated by automatic weather stations and doppler radar mosaic data as input data, and then forecasts the grid rainfall data for the next 2 h. We conduct experiments on the Southeastern China dataset. With a threshold of 0.25 mm, the RN-Net’s rainfall nowcasting threat scores have reached 0.523, 0.503, and 0.435 within 0.5 h, 1 h, and 2 h. Compared with the Weather Research and Forecasting model rainfall nowcasting, the threat scores have been increased by nearly four times, three times, and three times, respectively.

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Determining Salt Production Season Based on Rainfall Forecasting Using Weighted Fuzzy Time Series

Cited by 5 publications

References 0 publications

Migratory Birds Monitoring of India’s Largest Shallow Saline Ramsar Site with Big Geospatial Data Using Google Earth Engine for Restoration

Migratory Birds Monitoring of India’s Largest Shallow Saline Ramsar Site with Big Geospatial Data Using Google Earth Engine for Restoration

Production practices of table salt by small-scale miners in Tanzania: A case study of Nkonkilangi, Singida, Tanzania

RN-Net: A Deep Learning Approach to 0–2 Hour Rainfall Nowcasting Based on Radar and Automatic Weather Station Data

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